Harm: Inflicts 10/level (max 150) damage to a living creature, fortitude for half. Heal: Heals 10/level (max 150) damage to a living creature, functions as harm against undead.

Isaac's Greater Missile Storm- Each projectile inflicts 1d6 damage, instead of 2d6, and all missiles can be cast at a single target. Isaac's Lesser Missile Storm- All missiles can be cast at a single target.